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Finding the Fourth Proportional to 694,557.30, 973,779.90 and 694,557.30

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Solution

The fourth proportional to 694,557.30, 973,779.90 and 694,557.30 is: 973,779.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,557.30 : 973,779.90 = 694,557.30 : x
  2. Step 2: Convert to fraction form
    694,557.30/973,779.90 = 694,557.30/x
  3. Step 3: Cross multiply
    694,557.30x = 973,779.90 × 694,557.30
  4. Step 4: Simplify right side
    694,557.30x = 676,345,938,138.27
  5. Step 5: Solve for x
    x = 676,345,938,138.27/694,557.30
  6. Step 6: Final answer
    x = 973,779.90

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.